The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 300-600mm f4 and the Sony FE 400mm F2.8 GM for their suitability to various photography scenarios:
Size and Weight Comparison The size of a lens is a crucial factor to consider when comparing two lenses. Sigma 300-600mm f4 is the longer of the two lenses at 470mm. The Sony FE 400mm F2.8 GM with a length of 359mm, is 111mm shorter. Besides being longer, the Sigma 300-600mm f4 also has a larger diameter of 167mm compared to the Sony FE 400mm F2.8 GM's 158mm diameter.
Below you can find a scaled side-by-side image of Sigma 300-600mm f4 and Sony FE 400mm F2.8 GM to get a better idea of how their sizes compare in real life.
Comparison image of the Sigma 300-600mm f4 and the Sony FE 400mm F2.8 GM Size and Weight The weight of a lens is equally significant as its external dimensions, particularly if you intend to handhold your camera and lens combination for extended periods. Sony FE 400mm F2.8 GM weighs 2895g, 27% (1075g) lighter than the Sigma 300-600mm f4's weight of 3970g.
Filter Threads
Both the Sigma 300-600mm f4 and the Sony FE 400mm F2.8 GM have the same Filter thread size of 41mm .
Below are links to the 41mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Sigma 300-600mm f4 and the Sony FE 400mm F2.8 GM has the same Sony E lens mount . Some of the latest released cameras that are compatible with the Sony E lenses are Sony FX5 , Sony A7R VI and Sony A7 V .
Focal Range
Sigma 300-600mm f4 has a focal range of 300-600mm and
2.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
450 - 900mm .
On the other hand, the Sony FE 400mm F2.8 GM is a prime lens with fixed focal lenght of 400mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 600mm .
